CN206398087U - A kind of oil pump mechanical sealing device of silicon carbide - Google Patents
A kind of oil pump mechanical sealing device of silicon carbide Download PDFInfo
- Publication number
- CN206398087U CN206398087U CN201621494408.XU CN201621494408U CN206398087U CN 206398087 U CN206398087 U CN 206398087U CN 201621494408 U CN201621494408 U CN 201621494408U CN 206398087 U CN206398087 U CN 206398087U
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- China
- Prior art keywords
- ring
- stationary
- oil pump
- seat
- silicon carbide
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Abstract
The utility model discloses a kind of oil pump mechanical sealing device of silicon carbide, aim to provide a kind of oil pump mechanical sealing device of silicon carbide of good heat dissipation effect, its drip irrigation device is, including stationary seat and rotating seat, it is circumferentially spacing on described stationary seat to have stationary ring, it is circumferentially spacing on described rotating seat to have rotating ring, it is characterised in that：Described stationary seat end is provided with annular element, described annular element inwall forms the storage tank for accommodating stationary ring with stationary seat end face, described stationary seat end face provided with inclined-plane and forms inclination angle with annular element outer wall, if described annular element is provided with the through hole that capable person's storage tank is connected with inclination angle, inclination angle is formed by inclined-plane and with annular element outer wall, pitch region is set to form low-pressure area when rotating ring is rotated, due to the higher hot fluid of logical temperature in borehole being flowed out on the inside of through hole by aperture in the presence of low-pressure area, circulated in local formation, the temperature of stationary ring can be substantially reduced.
Description
Technical field
The utility model belongs to mechanically-sealing apparatus field, is especially a kind of oil pump mechanical sealing device of silicon carbide.
Background technology
The bellows big spring mechanical seal structure of rubber half is simple, and cost is low, and reliability is high, it is easy to assemble, with all-wave line
Cast mechanical seal is two kinds of most widely used structures.This species mechanical seal that general oil pump is used at present, but due to oil
Pump pumped (conveying) medium viscosity is big, often meeting recurring structure part fatigue deformation, and dynamic and static ring is due to high temperature thermal deformation or produces fire check,
Cause driving not firm, cause situations such as rubber is torn, prevent mechanical seal service life reduction from reaching default service life.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of oil pump of good heat dissipation effect carborundum mechanical seal
Device.
Technical solution of the present utility model is to provide a kind of oil pump carborundum mechanical seal with following structure
On device, including stationary seat and rotating seat, described stationary seat it is circumferential it is spacing have circumferential on stationary ring, described rotating seat spacing have
Rotating ring, it is characterised in that：Described stationary seat end is provided with annular element, and described annular element inwall is used with the formation of stationary seat end face
In the storage tank for accommodating stationary ring, described stationary seat end face provided with inclined-plane and forms inclination angle, described annular with annular element outer wall
If part is provided with the through hole that capable person's storage tank is connected with inclination angle.
It is preferred that, described rotating ring and stationary ring end is equipped with chamfering, and chamfering combines to form V on described rotating ring, stationary ring
Font groove.
It is preferred that, described annular element inwall is provided with some first lugs, and described stationary ring is provided with to match with first lug
The first chute.
It is preferred that, described rotating seat inwall is provided with some second lugs, and described rotating ring is provided with to match with the second lug
Chute.
It is preferred that, described rotating seat, which is provided with to contradict on step, described step, annular gasket, described annular gasket
Being contradicted between rotating ring has the bellows of rubber half.
It is preferred that, the described bellows of rubber half also includes contradicting the linkage section on axle, and described linkage section outer wall is supported
Touching has dead ring.
It is preferred that, circumferentially arranged with some grooves on described dead ring, described rotating seat is provided with the rectangle matched with groove
Tooth.
After above structure, oil pump mechanical sealing device of silicon carbide of the present utility model, compared with prior art, tool
Have the advantage that：Inclination angle is formed by inclined-plane and with annular element outer wall, pitch region is formed low pressure when rotating ring is rotated
Area, due to flowing out the higher hot fluid of logical temperature in borehole by aperture on the inside of through hole in the presence of low-pressure area, in local shape
Into circulation, the temperature of stationary ring can be substantially reduced.
Brief description of the drawings
Fig. 1 is the cross section structure diagram of the utility model oil pump mechanical sealing device of silicon carbide.
Fig. 2 is the structure schematic diagram of the utility model dead ring.
Shown in figure：1st, stationary seat；11st, annular element；12nd, storage tank；13rd, inclination angle；14th, first lug；2nd, rotating seat；
21st, step；22nd, the second lug；23rd, rectangular teeth；3rd, stationary ring；31st, the first chute；4th, rotating ring；41st, chute；5th, through hole；6th, ring
Shape pad；7th, the bellows of rubber half；71st, linkage section；8th, dead ring；81st, groove.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Refer to shown in Fig. 1 and Fig. 2, oil pump mechanical sealing device of silicon carbide of the present utility model, including stationary seat 1
With rotating seat 2, on described stationary seat 1 it is circumferential it is spacing have on stationary ring 3, described rotating seat 2 it is circumferential it is spacing have rotating ring 4, it is special
Levy and be：The described end of stationary seat 1 is provided with annular element 11, and the described inwall of annular element 11 is formed with the end face of stationary seat 1 to be used for
The storage tank 12 of stationary ring 3 is accommodated, the described end face of stationary seat 1 provided with inclined-plane and forms inclination angle 13 with the outer wall of annular element 11, described
If annular element 11 be provided with the through hole 5 that is connected with inclination angle 13 of capable person's storage tank 12, formed by inclined-plane and with the outer wall of annular element 11
Inclination angle 13, makes the region of inclination angle 13 form low-pressure area when rotating ring 4 is rotated, due in the presence of low-pressure area will in through hole 5 it is warm
The higher hot fluid of degree is flowed out from the inner side of through hole 5 by aperture, is circulated in local formation, can be substantially reduced the temperature of stationary ring 3.
Described rotating ring 4 and the end of stationary ring 3 is equipped with chamfering, and chamfering combines to form V words on described rotating ring 4, stationary ring 3
Shape groove, forms the mobility of liquid film between a pair of convergence inclined-planes, increase contact surface, reduces frictional surface temperature.
The described inwall of annular element 11 is provided with some first lugs 14, and described stationary ring 3 is provided with to match with first lug 14
The first chute 31, circular arc type lug uniform force can prevent stress concentration from destroying stationary ring 3 and fatigue damage.Described rotating ring
2 inwalls of seat are provided with some second lugs 22, and described rotating ring 4 is provided with the chute 41 matched with the second lug 22, circular arc type lug
Uniform force can prevent stress concentration from destroying stationary ring 3 and fatigue damage.
Described rotating seat 2, which is provided with to contradict on step 21, described step 21, annular gasket 6, described annular gasket
Between 6 and rotating ring 4 contradict have the bellows 7 of rubber half, rotating ring 4 is carried out by step 21 and annular gasket 6 it is spacing, it is split type
Structure, it is simple and reliable, and and in processing.
The described bellows 7 of rubber half also includes contradicting the linkage section 71 on axle, and the described outer wall of linkage section 71 is contradicted
There is dead ring 8, section 71 can be fixedly connected with by the interference fit of dead ring 8, make sealing effectiveness more preferably, and on described dead ring 8
Circumferentially arranged with some grooves 81, described rotating seat 2 is provided with the rectangular teeth 23 matched with groove 81, by rectangular teeth 23 and groove 81
Wall contradicts stress, makes to be that linear contact lay or face are contacted at stress, makes uniform force, and greatly reduce on rotating seat 2 and dead ring 8
The possibility of fatigue damage, improves service life.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. on a kind of oil pump mechanical sealing device of silicon carbide, including stationary seat (1) and rotating seat (2), described stationary seat (1)
It is circumferential it is spacing have circumferential on stationary ring (3), described rotating seat (2) spacing have rotating ring (4), it is characterised in that：Described stationary seat
(1) end is provided with annular element (11), and described annular element (11) inwall is formed for accommodating stationary ring (3) with stationary seat (1) end face
Storage tank (12), described stationary seat (1) end face provided with inclined-plane and with annular element (11) outer wall formation inclination angle (13), it is described
Annular element (11) is if the through hole (5) connected provided with capable person's storage tank (12) with inclination angle (13).
2. a kind of oil pump mechanical sealing device of silicon carbide according to claim 1, it is characterised in that：Described rotating ring
(4) and stationary ring (3) end is equipped with chamfering, described rotating ring (4), chamfering combines to form V-shaped groove (9) on stationary ring (3).
3. a kind of oil pump mechanical sealing device of silicon carbide according to claim 1, it is characterised in that：Described annular element
(11) inwall is provided with some first lugs (14), and described stationary ring (3) is provided with the first chute matched with first lug (14)
(31)。
4. a kind of oil pump mechanical sealing device of silicon carbide according to claim 1, it is characterised in that：Described rotating seat
(2) inwall is provided with some second lugs (22), and described rotating ring (4) is provided with the chute (41) matched with the second lug (22).
5. a kind of oil pump mechanical sealing device of silicon carbide according to claim 1, it is characterised in that：Described rotating seat
(2) it is provided with to contradict on step (21), described step (21) and has annular gasket (6), described annular gasket (6) and rotating ring (4)
Between contradict have the bellows of rubber half (7).
6. a kind of oil pump mechanical sealing device of silicon carbide according to claim 5, it is characterised in that：Described rubber half
Bellows (7) also includes contradicting the linkage section (71) on axle, and described linkage section (71) outer wall, which is contradicted, dead ring (8).
7. a kind of oil pump mechanical sealing device of silicon carbide according to claim 6, it is characterised in that：Described dead ring
(8) circumferentially arranged with some grooves (81) on, described rotating seat (2) is provided with the rectangular teeth (23) matched with groove (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621494408.XU CN206398087U (en) | 2016-12-31 | 2016-12-31 | A kind of oil pump mechanical sealing device of silicon carbide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621494408.XU CN206398087U (en) | 2016-12-31 | 2016-12-31 | A kind of oil pump mechanical sealing device of silicon carbide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206398087U true CN206398087U (en) | 2017-08-11 |
Family
ID=59517688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621494408.XU Active CN206398087U (en) | 2016-12-31 | 2016-12-31 | A kind of oil pump mechanical sealing device of silicon carbide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206398087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677871A (en) * | 2020-06-17 | 2020-09-18 | 中国电子科技集团公司第十四研究所 | Double-channel three-level series-parallel rotary transmission mechanical sealing device |
-
2016
- 2016-12-31 CN CN201621494408.XU patent/CN206398087U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677871A (en) * | 2020-06-17 | 2020-09-18 | 中国电子科技集团公司第十四研究所 | Double-channel three-level series-parallel rotary transmission mechanical sealing device |
| CN111677871B (en) * | 2020-06-17 | 2023-08-29 | 中国电子科技集团公司第十四研究所 | Mechanical sealing device for double-channel three-stage series-parallel rotary transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315104 Jin Yuan Road, Yinzhou investment and entrepreneurship center, Ningbo, Zhejiang 666 Patentee after: Ningbo Vulcan Polytron Technologies Inc Address before: 315105 Jin Yuan Road, Yinzhou investment and business center, Ningbo, Ningbo, Zhejiang, 666 Patentee before: Ningbo fu'erken Ceramic Technology Co. Ltd. |
|
| CP03 | Change of name, title or address |